kalkulat@lemmy.world to science@lemmy.world · 2 months agoNASA's solar sail successfully spreads its wings in spacewww.space.comexternal-linkmessage-square69fedilinkarrow-up1488arrow-down11cross-posted to: technology@lemmy.world
arrow-up1487arrow-down1external-linkNASA's solar sail successfully spreads its wings in spacewww.space.comkalkulat@lemmy.world to science@lemmy.world · 2 months agomessage-square69fedilinkcross-posted to: technology@lemmy.world
minus-squareMonkderVierte@lemmy.mllinkfedilinkarrow-up1·2 months agoElse they don’t. We are talking quantum here.
So photons do have mass?
only as long as they exist
Else they don’t. We are talking quantum here.